 
(* ::Section:: *)
(* OPESumExplicit *)
(* ::Text:: *)
(*OPESumExplicit[exp] calculates OPESum's..*)


(* ::Subsection:: *)
(* See also *)
(* ::Text:: *)
(*OPESum, OPESumSimplify.*)



(* ::Subsection:: *)
(* Examples *)



OPESum[A^iB^(m-i-3),{i,0,m-3}]

OPESumExplicit[%]

 OPESum[a^ib^(j-i)c^(m-j-4),{i,0,j},{j,0,m-4}]

OPESumExplicit[%]
